Joe Taylor
47fcddcb50
Send nfa, nfb to fst4_decode().
2020-09-10 14:59:52 -04:00
Joe Taylor
01a1688b32
FST4 and FST4W decoder: get freq range from nfqso and ntol; remove BCD submodes, i.e. hmod=2, 4, 8.
2020-09-05 13:14:40 -04:00
Joe Taylor
f24d15b16e
Eliminate the FST4/FST4W submodes with hmod > 1.
2020-09-04 15:15:30 -04:00
K9AN
f066936043
Remove an unused variable from fst4_decode
2020-08-29 19:55:23 +01:00
Steven Franke
5ca81a6507
Use 3rd order polynomial fit to estimate the noise baseline. The
...
polynomial fit is done over 400 Hz bandwidth for T/R periods longer
than 15s, and over approx. 600 Hz (10 times the signal bandwidth) for
T/R period of 15s.
2020-08-29 19:55:23 +01:00
Steven Franke
d82b9f5b0e
Speed up decoder by eliminating some complex multiples in sequence detection loop. Add timer calls for doppler spread calculation and sequence detection loop.
2020-08-29 19:55:22 +01:00
Steven Franke
ecaca6af9f
Fix argument list in call to fet_fst4_bitmetrics.f90
2020-08-29 19:55:22 +01:00
Steven Franke
b9328b96c9
Tweaks to update the diagnostics that are written to fort.21.
2020-08-29 19:55:22 +01:00
Steven Franke
e02850ae5a
Streamline fst4_decode. Add timer for downsampling.
2020-08-29 19:55:22 +01:00
Steven Franke
782c779392
Reconfigure to optimize decoder for MF/LF (high coherence) channels.
2020-08-29 19:55:21 +01:00
Steven Franke
7cb5511ed0
Simplify some code in fst4_decode.f90 - no functional change.
2020-08-29 19:55:21 +01:00
Steven Franke
bf06193c10
Add timer call for bit metric calculation. Improve some comments. Make fort.21 ntype parameter more informative.
2020-08-29 19:54:38 +01:00
Steven Franke
6838a6b484
Remove some unneeded code.
2020-08-29 19:50:32 +01:00
Steven Franke
8b7db6556c
Changes to the llrs that are used as the basis for AP decoding.
2020-08-29 19:50:17 +01:00
Steven Franke
b191e0c5ef
Fix SNR calculation for B,C,D submodes.
2020-08-29 19:49:59 +01:00
Steven Franke
9d2bde7180
Fix SNR calculation for B,C,D submodes.
2020-08-29 19:49:46 +01:00
Steven Franke
cdbe425e56
Use squared metric for fst4 - works better on fading channel.
2020-08-29 19:49:23 +01:00
Steven Franke
37e05f6074
Set unpk77_success=.false. for messages with i3=0 and n3>6.
2020-08-29 19:48:54 +01:00
K9AN
8159478d51
Remove an unused variable from fst4_decode
2020-08-28 12:25:17 -05:00
Steven Franke
e232c32178
Use 3rd order polynomial fit to estimate the noise baseline. The
...
polynomial fit is done over 400 Hz bandwidth for T/R periods longer
than 15s, and over approx. 600 Hz (10 times the signal bandwidth) for
T/R period of 15s.
2020-08-28 09:22:22 -05:00
Steven Franke
ad0540a027
Speed up decoder by eliminating some complex multiples in sequence detection loop. Add timer calls for doppler spread calculation and sequence detection loop.
2020-08-24 10:17:45 -05:00
Steven Franke
e3171d2142
Fix argument list in call to fet_fst4_bitmetrics.f90
2020-08-22 09:42:34 -05:00
Steven Franke
091d6d0b1a
Tweaks to update the diagnostics that are written to fort.21.
2020-08-21 09:18:59 -05:00
Steven Franke
0e0349e87a
Streamline fst4_decode. Add timer for downsampling.
2020-08-20 09:48:32 -05:00
Steven Franke
e28215fce5
Reconfigure to optimize decoder for MF/LF (high coherence) channels.
2020-08-19 14:10:28 -05:00
Steven Franke
07486ee0c7
Simplify some code in fst4_decode.f90 - no functional change.
2020-08-19 09:20:48 -05:00
Steven Franke
2c0462f9aa
Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280
2020-08-17 14:12:13 -05:00
Steven Franke
683cd08103
Add timer call for bit metric calculation. Improve some comments. Make fort.21 ntype parameter more informative.
2020-08-17 14:12:08 -05:00
Bill Somerville
4a2a181528
Merge branch 'develop' into feat-fst280
2020-08-17 18:33:00 +01:00
Joe Taylor
42626009b5
TEMPORARY: Diagnostic routine for the "Save All" missing files problem.
2020-08-09 14:21:25 -04:00
Joe Taylor
84e53960cd
QRA66 now works up for submodes A-D up to 300 s periods. Submode E presently NG.
2020-08-09 11:04:49 -04:00
Joe Taylor
de0476bf3c
More changes to allow longer sequences in QRA66 mode.
2020-08-08 16:53:28 -04:00
Joe Taylor
e4fad77fa5
QRA66 now works with qra66sim and jt9 and TR periods 15 30 60 120 300 s.
2020-08-08 13:57:24 -04:00
Joe Taylor
bf38f4416c
Modifications to give QRA64 use of longer TR periods and tone-spacing submodes. Noy yet finished, or tested!
2020-08-08 09:14:12 -04:00
Joe Taylor
2de2874672
Allow for larger irc created by message averaging. Commit test_qra66.f90
2020-08-06 14:23:39 -04:00
Joe Taylor
254e2f61fa
Remove diagnostic write to fort.71.
2020-08-06 07:07:16 -04:00
Joe Taylor
30e34bf1c4
Implement message averaging (very basic) for QRA66.
2020-08-05 16:34:49 -04:00
Joe Taylor
6c8c9183aa
SNR for QRA66 non-decodes now set to -25.
2020-08-05 11:16:56 -04:00
Joe Taylor
7256d70016
QRA66: change NSPS from 1920 to 1800. TxT=85*1800/12000=12.75 s.
2020-08-05 11:06:18 -04:00
Joe Taylor
f1c8f04136
Report failed QRA66 decode as SNR = -22 dB.
2020-08-04 14:18:23 -04:00
Joe Taylor
e719efd835
Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280
2020-08-04 13:44:01 -04:00
Joe Taylor
335cc41faa
More code cleanup. Rename sync66a to sync66.
2020-08-04 13:13:49 -04:00
Joe Taylor
2e893e8994
Add Tx freq as command-line argument for qra66sim.
2020-08-04 13:12:51 -04:00
Steven Franke
cc0aa373a9
Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280
2020-08-04 11:56:38 -05:00
Steven Franke
9b4b3a6623
Remove some unneeded code.
2020-08-04 11:56:32 -05:00
Joe Taylor
88102af49d
Fic the transfer of ntol from GUI to qra66_decode().
2020-08-04 12:53:37 -04:00
Joe Taylor
902bb4d5e0
Add timer calls in qra66_decode.
2020-08-04 11:58:09 -04:00
Joe Taylor
4b92c20ee9
Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280
2020-08-04 11:52:51 -04:00
Joe Taylor
668631180d
Code cleanup.
2020-08-04 11:52:29 -04:00
Steven Franke
4225241720
Changes to the llrs that are used as the basis for AP decoding.
2020-08-04 10:25:09 -05:00
Steven Franke
45a1a116c9
Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280
2020-08-04 10:17:16 -05:00
Steven Franke
55d83f068b
Fix SNR calculation for B,C,D submodes.
2020-08-04 10:15:08 -05:00
Joe Taylor
56067dc52c
Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280
2020-08-04 10:50:00 -04:00
Joe Taylor
7b2e9c4e5d
Many improvements to QRA66 decoder.
2020-08-04 10:49:14 -04:00
Steven Franke
802f078386
Fix SNR calculation for B,C,D submodes.
2020-08-04 09:15:44 -05:00
Joe Taylor
c91baddb2c
New sync66a subroutine for QRA66.
2020-08-03 16:30:29 -04:00
Bill Somerville
caba1fbe72
Validate grids in 77-bit and 50-bit message unpacking
2020-08-03 02:11:46 +01:00
Joe Taylor
2846a6422a
Temporary: limit Rx search range to 15-- +/- 50 Hz.
2020-08-02 13:33:15 -04:00
Joe Taylor
dc5d85f850
Remove a diagnostic print. Correct the maxAP value.
2020-08-02 11:40:03 -04:00
Joe Taylor
dd471c6b5e
Improvements to QRA66 decoder. Still needs work.
2020-08-02 11:15:10 -04:00
Joe Taylor
45dac5bd18
Change random number generation in qra66sim so results are exactly repeateble.
2020-08-02 09:42:22 -04:00
Bill Somerville
87dec9d433
Remove a remnant of "Also FST4W" mode
2020-08-02 00:42:09 +01:00
Joe Taylor
fb3c23492f
Adjustments to the QRA66 decoder. Still need to implement looping over b90 values.
2020-08-01 15:12:37 -04:00
Joe Taylor
e66843c0c0
Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280
2020-08-01 12:14:44 -04:00
Joe Taylor
3867c452e6
Changes to GUI to accommodate QRA66. It's basically functional, I think.
2020-08-01 12:13:49 -04:00
Steven Franke
e751a4404f
Use squared metric for fst4 - works better on fading channel.
2020-08-01 10:58:21 -05:00
Joe Taylor
a0b5be009a
Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280
2020-08-01 10:14:26 -04:00
Joe Taylor
f45c617422
First working QRA66 decoder.
2020-08-01 09:24:59 -04:00
Joe Taylor
c4ef1e3e25
Starting on a decoder for QRA66. Now have found xdt and f0 from the sync vector.
2020-07-31 16:38:21 -04:00
Steven Franke
4b0ae524bf
Set unpk77_success=.false. for messages with i3=0 and n3>6.
2020-07-31 14:15:49 -05:00
Joe Taylor
77b7e71424
Enable mode QRA66B in qra66sim.
2020-07-31 11:16:03 -04:00
Joe Taylor
09686b9958
Add a simulator for experimental mode QRA66.
2020-07-31 10:59:05 -04:00
Joe Taylor
9146ce9667
Correct a flaw in qra64sim.
2020-07-31 10:58:30 -04:00
Joe Taylor
ee24f03d09
Modify genqra64.f90 so it can also be used for a "QRA66" mode.
2020-07-31 09:27:36 -04:00
Joe Taylor
902c0b7a59
Protect against bounds error in dopspread.f90. Remove the temporary ssavg code.
2020-07-29 09:48:19 -04:00
Joe Taylor
884854223c
Add computation of an average spectrum of unmodulated FST4 signals after decoding.
2020-07-27 14:02:33 -04:00
Joe Taylor
4455861773
Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280
2020-07-27 08:27:46 -04:00
Joe Taylor
79be2a7790
Reformat the fort.21 output.
2020-07-27 08:27:16 -04:00
Steven Franke
3de14a5436
Tweak SNR calibration.
2020-07-26 19:31:20 -05:00
Joe Taylor
7e24f9be20
Do not write an FFTW wisdom file if usage message has been issued.
2020-07-26 10:50:05 -04:00
Steven Franke
5eec869b2c
Remove an unused file.
2020-07-23 13:22:12 -05:00
Bill Somerville
a7223a5efa
A few more cosmetic 240 -> 4 changes
2020-07-23 19:13:05 +01:00
Steven Franke
c88445ee7b
One more 240->4 change in jt9,f90.
2020-07-23 12:53:49 -05:00
Steven Franke
085e63e05d
Rename fst240 to fst4 in Fortran routines.
2020-07-23 12:48:50 -05:00
Joe Taylor
77a6f8f514
Move blanking from symspec() to fst240_decode(). Do not apply RefSpec corrections to data read from disk.
2020-07-23 10:58:10 -04:00
Joe Taylor
372651ae55
Add a simple execution timer for small blocks of code.
2020-07-22 10:43:33 -04:00
Steven Franke
231b518a22
Fix print format for w50 in fort.21
2020-07-21 12:42:50 -05:00
Steven Franke
bb9e1b1b90
Remove 'Also FST240W' capability from fst240_decode.
2020-07-21 12:37:26 -05:00
Bill Somerville
2da65408a8
Fix filename case issue
2020-07-20 23:53:29 +01:00
Steven Franke
d1012c9afb
Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280
2020-07-20 16:09:31 -05:00
Steven Franke
a773a7ad1f
Center the DT search window properly. Write fort.21 when plotspec exists.
2020-07-20 16:09:22 -05:00
Bill Somerville
7d07423a50
Repair own call hash decoding in received messages
2020-07-20 21:24:45 +01:00
Bill Somerville
22f66795a1
Improved C/Fortran string interoperation, and fix azel.dat updates
...
The azel.dat file is no longer written with future Doppler correction
information designed for rigs that can't do CAT QSY commands while
transmitting.
2020-07-20 15:15:55 +01:00
Joe Taylor
159b8a97f7
Better handling of fSpread in mainwindow.cpp. Makes auto-seq work when plotspec is used.
2020-07-19 13:20:41 -04:00
Steven Franke
510537d4fe
Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280
2020-07-18 09:02:16 -05:00
Steven Franke
98596a4be7
Choose nfft1 and ndown so that both nfft1 and nfft2 have small prime factors.
2020-07-18 09:02:11 -05:00
Bill Somerville
8b35e744d0
Increase Tx waveform storage & update wide graph nsps for FST240
2020-07-18 10:35:26 +01:00
Bill Somerville
4e0f1103b6
15 and 30 minute T/R periods for FST240 & FST240W
2020-07-17 23:44:14 +01:00
Bill Somerville
cccb38dbef
Pass hints to fst240sim, genfst240, and packjt77::pack77 on WSPR msgs
...
Due to an ambiguity with message encodings between 77-bit QSO modes
and 50-bit beacon modes with message types 13.n3 4.0 and 0.6 a hint
needs to be passed to ensure the right encoding is emitted. The hint
only effects ambiguous messages, others will be encoded strictly
according to the message content.
2020-07-17 19:09:21 +01:00
Bill Somerville
c21a60144a
Larger 12kHz sample buffer
2020-07-17 19:08:21 +01:00
